import { describe, it, expect, vi } from "vitest";
import { render, screen } from "@testing-library/react";
import userEvent from "@testing-library/user-event";
import { QueueItem } from "@/components/QueueItem";
import { makeFocusItem } from "../helpers/fixtures";

describe("QueueItem", () => {
  it("renders the item title", () => {
    render(<QueueItem item={makeFocusItem()} onClick={vi.fn()} />);
    expect(
      screen.getByText("Fix authentication token refresh logic")
    ).toBeInTheDocument();
  });

  it("renders the type badge", () => {
    render(<QueueItem item={makeFocusItem()} onClick={vi.fn()} />);
    expect(screen.getByText(/MR REVIEW/i)).toBeInTheDocument();
  });

  it("renders the IID with correct prefix for MRs", () => {
    render(<QueueItem item={makeFocusItem()} onClick={vi.fn()} />);
    expect(screen.getByText(/!847/)).toBeInTheDocument();
  });

  it("renders the IID with # prefix for issues", () => {
    render(
      <QueueItem
        item={makeFocusItem({ type: "issue", iid: 42 })}
        onClick={vi.fn()}
      />
    );
    expect(screen.getByText(/#42/)).toBeInTheDocument();
  });

  it("renders the project name", () => {
    render(<QueueItem item={makeFocusItem()} onClick={vi.fn()} />);
    expect(screen.getByText(/platform\/core/)).toBeInTheDocument();
  });

  it("calls onClick when clicked", async () => {
    const onClick = vi.fn();
    const user = userEvent.setup();
    const item = makeFocusItem({ id: "test-click" });

    render(<QueueItem item={item} onClick={onClick} />);
    await user.click(screen.getByRole("button"));

    expect(onClick).toHaveBeenCalledOnce();
    expect(onClick).toHaveBeenCalledWith("test-click");
  });

  it("shows staleness color for fresh items", () => {
    const freshItem = makeFocusItem({
      updatedAt: new Date().toISOString(),
    });
    const { container } = render(
      <QueueItem item={freshItem} onClick={vi.fn()} />
    );
    // Fresh items should have green indicator
    expect(container.querySelector("[data-staleness='fresh']")).toBeTruthy();
  });

  it("shows staleness color for urgent items", () => {
    const oldItem = makeFocusItem({
      updatedAt: new Date(
        Date.now() - 10 * 24 * 60 * 60 * 1000
      ).toISOString(),
    });
    const { container } = render(
      <QueueItem item={oldItem} onClick={vi.fn()} />
    );
    expect(container.querySelector("[data-staleness='urgent']")).toBeTruthy();
  });

  it("shows requestedBy when present", () => {
    render(
      <QueueItem
        item={makeFocusItem({ requestedBy: "alice" })}
        onClick={vi.fn()}
      />
    );
    expect(screen.getByText(/@alice/)).toBeInTheDocument();
  });

  it("staleness indicator has accessible label for fresh items", () => {
    const freshItem = makeFocusItem({
      updatedAt: new Date().toISOString(),
    });
    render(<QueueItem item={freshItem} onClick={vi.fn()} />);
    expect(screen.getByRole("img", { name: /updated recently/i })).toBeInTheDocument();
  });

  it("staleness indicator has accessible label for urgent items", () => {
    const oldItem = makeFocusItem({
      updatedAt: new Date(Date.now() - 10 * 24 * 60 * 60 * 1000).toISOString(),
    });
    render(<QueueItem item={oldItem} onClick={vi.fn()} />);
    expect(screen.getByRole("img", { name: /needs attention/i })).toBeInTheDocument();
  });
});